NBC has placed the first pieces of its summer schedule puzzle, slotting premiere dates for hit reality series “America’s Got Talent” and “American Ninja Warrior.”

“Talent,” the most-watched alternative series for the past 10 years, will premiere on Tuesday, May 31, at 8. The show’s 11th season, highlighted by new judge Simon Cowell, will shift back to Los Angeles this season.

The past season of “America’s Got Talent” on NBC averaged a 2.9 rating/10 share in adults 18-49 and 12.5 million viewers overall, according to Nielsen, delivering its most-watched season in four years. The show is produced by FremantleMedia North America and Syco Entertainment. Cowell, Sam Donnelly, Jason Raff, Trish Kinane and Richard Wallace are the executive producers.

“Ninja Warrior,” which aired on Mondays last summer, swings back into action on Wednesday, June 1 with a two-hour premiere at 8. The series is hosted by Matt Iseman and former NFL player Akbar Gbajabiamila with Kristine Leahy serving as co-host. The original NBC episodes will be followed with encore presentations on Esquire Network, beginning Thursday, June 2.

Last summer, “American Ninja Warrior” generated 10% growth vs. the prior year in adults 18-49 and was up 22% vs. two years ago. In total viewers, the summer 2015 season was its most-watched ever, with its average of 7.1 million viewers beating the summer 2014 figure by 22%.

“American Ninja Warrior” is executive produced by A. Smith & Co. Productions’ founders Arthur Smith and Kent Weed, along with Brian Richardson and Anthony Storm. The series is a co-production along with Esquire Network.